JPS60500835A - 記録用の、又はテレビジョン或いは無線放送用の磁気テ−プ或いはその他の媒体の無認可プレ−バック及び／又は再生に対する保護装置 - Google Patents

記録用の、又はテレビジョン或いは無線放送用の磁気テ−プ或いはその他の媒体の無認可プレ−バック及び／又は再生に対する保護装置

Info

Publication number
JPS60500835A
JPS60500835A JP59500801A JP50080184A JPS60500835A JP S60500835 A JPS60500835 A JP S60500835A JP 59500801 A JP59500801 A JP 59500801A JP 50080184 A JP50080184 A JP 50080184A JP S60500835 A JPS60500835 A JP S60500835A
Authority
JP
Japan
Prior art keywords
switch
signal
block
encoded
code
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP59500801A
Other languages
English (en)
Japanese (ja)
Inventor
ピカール　ジヤツク　ピエール
ダギユイヨン　クロード　アラン
Original Assignee
ソシエテ　アンテルナシオナル　ドゥ　セルヴィス　ア　エクスポルタシオン　通称　エスイエスウ−イクス
スペシヤリテ　エレクトロ　フイズイク　エスウーペー
ルシエルシユ　アンテグレ　オ　マケテイング　エルイエム
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ソシエテ　アンテルナシオナル　ドゥ　セルヴィス　ア　エクスポルタシオン　通称　エスイエスウ−イクス, スペシヤリテ　エレクトロ　フイズイク　エスウーペー, ルシエルシユ　アンテグレ　オ　マケテイング　エルイエム filed Critical ソシエテ　アンテルナシオナル　ドゥ　セルヴィス　ア　エクスポルタシオン　通称　エスイエスウ−イクス
Publication of JPS60500835A publication Critical patent/JPS60500835A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00681—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access
    • G11B20/00688—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access said measures preventing that a usable copy of recorded data can be made on another medium
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00681—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access
    • G11B20/00695—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access said measures preventing that data are read from the recording medium
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91321—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy protection control signal, e.g. a record inhibit signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
JP59500801A 1983-02-09 1984-02-09 記録用の、又はテレビジョン或いは無線放送用の磁気テ−プ或いはその他の媒体の無認可プレ−バック及び／又は再生に対する保護装置 Pending JPS60500835A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8302355A FR2540659A1 (fr) 1983-02-09 1983-02-09 Dispositif de protection de bandes magnetiques, ou autres supports d'enregistrement, ou d'emission de television ou de radio contre la lecture et/ou la reproduction non autorisees
FR8302355 1983-02-09

Publications (1)

Publication Number Publication Date
JPS60500835A true JPS60500835A (ja) 1985-05-30

Family

ID=9285894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59500801A Pending JPS60500835A (ja) 1983-02-09 1984-02-09 記録用の、又はテレビジョン或いは無線放送用の磁気テ−プ或いはその他の媒体の無認可プレ−バック及び／又は再生に対する保護装置

Country Status (6)

Country Link
EP (1) EP0137801A1 (da)
JP (1) JPS60500835A (da)
BR (1) BR8405175A (da)
DK (1) DK482984A (da)
FR (1) FR2540659A1 (da)
WO (1) WO1984003166A1 (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142765A (en) * 1983-07-04 1985-01-23 John William Hawkins Preventing unauthorised use of recorded information
EP0162071A1 (fr) * 1983-11-21 1985-11-27 Haute Securite Video Hsv S.A. Procede et dispositif anti-piraterie pour supports d'images cinematographiques et video
KR930008167B1 (ko) * 1986-08-11 1993-08-26 매크로비젼 코포레이션 비데오 레코더의 비데오 디스에이블링 회로를 이용하여 비데오 프로그램의 복사를 방지하는 방법 및 장치
JPH03504186A (ja) * 1988-05-04 1991-09-12 ヴォーゲル、ピーター、サムュエル 放送番組の自動検閲
US5371795A (en) * 1988-05-04 1994-12-06 Right Hemisphere Pty., Ltd. Automatic censorship of video programs
JPH0644755A (ja) * 1992-07-24 1994-02-18 Sony Corp ビデオ信号の伝送方法及び記録装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3439113A (en) * 1963-11-15 1969-04-15 Teleglobe Pay Tv System Inc Subscription television communication system
US4185305A (en) * 1974-03-04 1980-01-22 Bell & Howell Company Video information recording and reproducing methods and apparatus
US4030128A (en) * 1974-11-21 1977-06-14 Bell & Howell Company Video record scrambling and unscrambling
AU5706180A (en) * 1979-04-11 1980-10-16 John Anthony Dimmers Video copying inhibitor
US4266243A (en) * 1979-04-25 1981-05-05 Westinghouse Electric Corp. Scrambling system for television sound signals
US4404603A (en) * 1980-05-27 1983-09-13 Warren Eugene D Apparatus and method for inspecting magnetic tape recorded material for alterations

Also Published As

Publication number Publication date
EP0137801A1 (fr) 1985-04-24
WO1984003166A1 (fr) 1984-08-16
DK482984D0 (da) 1984-10-09
FR2540659A1 (fr) 1984-08-10
DK482984A (da) 1984-10-09
BR8405175A (pt) 1985-02-12

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